Examples uf tree surgery, sliowiug- healing process after cuttiug out cankers, in 

 treatment of orchard trees. This treatment undoubtedly prolongs the life of the 

 trees. — I'ltotogmith by Prof. ('oHiiiH. 



Example of tree surgery, showing healinc 

 treatment of orchard trees. Will jirnlon^ 

 ColUns. 



process after 

 life of tree. 



cutting out cankers in 

 — P]iototji<ii>h hij Prof. 



